Sodium Silicate HK 35 Sodium Waterglass Solution of a sodium salt of silicic acid with a definite ratio of silica (SiO2) and sodium oxide (Na2O). (CAS-Nr. 1344-09-8)

Chemical description

Mode of action

Specification (average values)

-

Soil consolidation, Acid proof mortars and glues, Accelerator for concrete curing (e.g. shotcreting), Fireproof impregnation, Paper and board production, Water treatment, Ore and coal flotation. Na2O: SiO2: Weight ratio: (SiO2 : Na2O) Molar ratio: (SiO2 : Na2O) Solids content: Density (20°C): pH value: (10 % in water) Viscosity (20°C):

approx. 7 % approx. 26 % approx. 3,7

001 *) 001 *)

approx. 3,8 approx. 33,0 % approx. 1,32 g/cm³ approx. 11,3

007 *) 042 *) 008 *)

approx. 150 mPas

053 *)

*) Internal method code – description available on request

Storage

Sodium silicate HK 35 must be protected from frost. Its shelf life in tightly closed drums or tanks is at least 12 months. Do not store in aluminium or galvanized recipients.

Labelling / Safety

Not classified as dangerous according to EC Guidelines and German Ordinance on Hazardous Materials (GefStoffV).

Packaging

30 kg can 270 kg drum Container Road tanker

11/2006

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